18233760328 has 32 divisors (see below), whose sum is σ = 39109296960. Its totient is φ = 7807078080.

The previous prime is 18233760319. The next prime is 18233760341. The reversal of 18233760328 is 82306733281.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94026 + ... + 212857.

It is an arithmetic number, because the mean of its divisors is an integer number (1222165530).

Almost surely, 2^18233760328 is an apocalyptic number.

It is an amenable number.

18233760328 is an abundant number, since it is smaller than the sum of its proper divisors (20875536632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18233760328 is a wasteful number, since it uses less digits than its factorization.

18233760328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307957 (or 307953 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 18233760328 in words is "eighteen billion, two hundred thirty-three million, seven hundred sixty thousand, three hundred twenty-eight".